Function detectUnusedFiles

gulpfile.js:210–383

(outputDir = 'output-chrome/apps', cb)

// 检测未使用的静态文件（参数化outputDir）
function detectUnusedFiles(outputDir = 'output-chrome/apps', cb) {
    const allFiles = new Set();
    const referencedFiles = new Set();
    function shouldExcludeFile(filePath) {
        if (filePath.includes('content-script.js') || filePath.includes('content-script.css')) return true;
        if (filePath.includes('node_modules')) return true;
        if (filePath.endsWith('fh-config.js')) return true;
        return false;
    }
    function getAllFiles(dir) {
        const files = fs.readdirSync(dir);
        files.forEach(file => {
            const fullPath = path.join(dir, file);
            if (fs.statSync(fullPath).isDirectory()) {
                if (file !== 'node_modules') {
                    getAllFiles(fullPath);
                }
            } else {
                if (/\.(js|css|png|jpg|jpeg|gif|svg|woff2?|ttf|eot)$/i.test(file) && !shouldExcludeFile(fullPath)) {
                    const relativePath = path.relative(outputDir, fullPath);
                    allFiles.add(relativePath);
                }
            }
        });
    }
    function findReferences(content, filePath) {
        const fileDir = path.dirname(filePath);
        const patterns = [
            /['"`][^`'\"]*?([./\w-]+\.(?:js|css|png|jpg|jpeg|gif|svg|woff2?|ttf|eot))['"`]/g,
            /url\(['"]?([./\w-]+(?:\.(?:png|jpg|jpeg|gif|svg|woff2?|ttf|eot))?)['"]?\)/gi,
            /@import\s+['"]([^'\"]+\.css)['"];?/gi,
            /(?:src|href)=['"](chrome-extension:\/\/[^/]+\/)?([^'"?#]+(?:\.(?:js|css|png|jpg|jpeg|gif|svg|woff2?|ttf|eot)))['"]/gi
        ];
        patterns.forEach((pattern, index) => {
            let match;
            while ((match = pattern.exec(content)) !== null) {
                let extractedPath = '';
                if (index === 3) {
                    extractedPath = match[2];
                } else {
                    extractedPath = match[1];
                }
                if (!extractedPath || typeof extractedPath !== 'string') continue;
                if (shouldExcludeFile(extractedPath)) continue;
                let finalPathToAdd = '';
                const isChromeExt = index === 3 && match[1];
                if (isChromeExt || extractedPath.startsWith('/')) {
                    finalPathToAdd = extractedPath.startsWith('/') ? extractedPath.slice(1) : extractedPath;
                } else {
                    const absolutePath = path.resolve(fileDir, extractedPath);
                    finalPathToAdd = path.relative(outputDir, absolutePath);
                }
                if (finalPathToAdd && !shouldExcludeFile(finalPathToAdd)) {
                    referencedFiles.add(finalPathToAdd.replace(/\\/g, '/'));
                }
            }
        });
    }